Does it Sink or Float? – Pirate Style

Sinking and floating is great first science activity for even very young children and can easily be extended for older children. We’re all about the pirates this week, so  collected lots of pirate themed treasure to test.


A large container half filled with water

Pirate treasure – coins, necklaces, bracelets etc

Somewhere to record your results

Plasticine – to extend the task

pirate sink or float


Ask the children to feel each object and predict whether they will sink or float.

Record the predictions in a table ( printable coming soon )

Test each item by dropping it carefully into the water.

Record your results.


Extension Task

Can you make a plasticine shaped boat, what happens if you place an object that sank into the boat?

sink or float pirate


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